Visibiliy maps

lqr_vmap_new — the LqrVMap object constructor
lqr_vmap_destroy — the LqrVMap object destructor
lqr_vmap_get_data — get varous LqrVMap object quantities
lqr_vmap_get_depth — get the depth of an LqrVMap object
lqr_vmap_get_width — get the width of an LqrVMap object
lqr_vmap_get_height — get the height of an LqrVMap object
lqr_vmap_get_orientation — get the orientation of an LqrVMap object
lqr_vmap_dump — dump an LqrVMap object
lqr_vmap_internal_dump — dump an LqrVMap objects into an LqrCarver object
lqr_vmap_load — load an LqrVMap object into an LqrCarver object
lqr_vmap_list_start — get the LqrVMapList list attached to an LqrCarver
lqr_vmap_list_current — get current LqrVMap object in a LqrVMapList object
lqr_vmap_list_next — advance the LqrVMapList object
lqr_vmap_list_foreach — perform operations on all LqrVMap objects in an LqrVMapList object